313 lines
15 KiB
Python
313 lines
15 KiB
Python
from app.extensions import db
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from app.models.inbound.buy import StockBuy
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from app.models.base import MaterialBase
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from datetime import datetime, timedelta, timezone
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from sqlalchemy import or_, func, text, and_
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import traceback
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import json
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class BuyInboundService:
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# ============================================================
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# 0. 辅助：唯一性校验
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# ============================================================
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@staticmethod
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def _check_unique(base_id, serial_number, batch_number, exclude_id=None):
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if serial_number:
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query = StockBuy.query.filter(StockBuy.serial_number == serial_number)
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if exclude_id:
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query = query.filter(StockBuy.id != exclude_id)
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exists = query.first()
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if exists:
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occupied_name = exists.base.name if exists.base else "未知物料"
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raise ValueError(f"序列号【{serial_number}】已存在！被物料 [{occupied_name}] 占用，请核查。")
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if batch_number and base_id:
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query = StockBuy.query.filter(
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StockBuy.base_id == base_id,
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StockBuy.batch_number == batch_number
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)
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if exclude_id:
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query = query.filter(StockBuy.id != exclude_id)
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if query.first():
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raise ValueError(f"该物料已存在批号【{batch_number}】，请勿重复录入，可直接在该批次下追加库存。")
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# ============================================================
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# 1. 基础物料搜索
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# ============================================================
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@staticmethod
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def search_base_material(keyword, page=1, limit=50):
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try:
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query = MaterialBase.query.filter(MaterialBase.is_enabled == True)
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if keyword:
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k = keyword.strip()
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k_str = f'%{k}%'
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query = query.filter(and_(
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or_(
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MaterialBase.name.ilike(k_str),
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MaterialBase.spec_model.ilike(k_str)
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)
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))
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query = query.order_by(MaterialBase.id.desc())
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pagination = query.paginate(page=page, per_page=limit, error_out=False)
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items = []
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for item in pagination.items:
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items.append({
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'id': item.id,
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'name': item.name,
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'spec': item.spec_model,
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'category': item.category,
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'unit': item.unit,
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'type': item.material_type,
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'brand': getattr(item, 'brand', ''),
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'manufacturer': getattr(item, 'manufacturer', ''),
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'pinyin': getattr(item, 'pinyin', ''),
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'status': '启用'
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})
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return {
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"items": items,
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"total": pagination.total,
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"page": page,
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"has_next": pagination.has_next
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}
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except Exception as e:
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traceback.print_exc()
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return {"items": [], "total": 0, "page": 1, "has_next": False}
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# ============================================================
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# 2. 新增入库逻辑
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# ============================================================
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@staticmethod
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def handle_inbound(data):
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try:
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base_id = data.get('base_id')
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if not base_id: raise ValueError("必须选择基础物料")
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material = MaterialBase.query.get(base_id)
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if not material: raise ValueError("所选物料不存在")
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if not material.is_enabled: raise ValueError(f"物料【{material.name}】已停用")
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BuyInboundService._check_unique(
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base_id=base_id,
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serial_number=data.get('serial_number'),
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batch_number=data.get('batch_number')
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)
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beijing_tz = timezone(timedelta(hours=8))
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current_time = datetime.now(beijing_tz).replace(tzinfo=None)
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in_date_val = current_time
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if data.get('in_date'):
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try:
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date_str = str(data['in_date'])
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if len(date_str) > 10:
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in_date_val = datetime.strptime(date_str, '%Y-%m-%d %H:%M:%S')
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else:
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d_temp = datetime.strptime(date_str, '%Y-%m-%d')
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in_date_val = datetime(d_temp.year, d_temp.month, d_temp.day, current_time.hour,
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current_time.minute, current_time.second)
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except:
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in_date_val = current_time
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in_qty = float(data.get('in_quantity') or 0)
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u_price = float(data.get('unit_price') or 0)
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try:
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seq_sql = text("SELECT nextval('global_print_seq')")
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result = db.session.execute(seq_sql)
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next_global_id = result.scalar()
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except:
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next_global_id = None
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generated_sku = str(next_global_id).zfill(10) if next_global_id else datetime.now().strftime('%Y%m%d%H%M%S')
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final_barcode = data.get('barcode') or generated_sku
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new_stock = StockBuy(
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base_id=material.id, global_print_id=next_global_id, sku=generated_sku, barcode=final_barcode,
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in_date=in_date_val, serial_number=data.get('serial_number'), batch_number=data.get('batch_number'),
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status=data.get('status', '在库'), in_quantity=in_qty, stock_quantity=in_qty, available_quantity=in_qty,
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inspection_status=data.get('inspection_status', '未检'),
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warehouse_location=data.get('warehouse_location'),
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unit_price=u_price, total_price=in_qty * u_price, currency=data.get('currency', 'CNY'),
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exchange_rate=data.get('exchange_rate', 1.0),
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supplier_name=data.get('supplier_name'), buyer_name=data.get('purchaser'),
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buyer_email=data.get('purchaser_email'),
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original_link=data.get('source_link'), detail_link=data.get('detail_link'),
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arrival_photo=json.dumps(data.get('arrival_photo', [])),
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inspection_report=json.dumps(data.get('inspection_report', []))
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)
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db.session.add(new_stock)
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db.session.commit()
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return new_stock
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except Exception as e:
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db.session.rollback()
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raise e
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# ============================================================
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# 3. 更新入库
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# ============================================================
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@staticmethod
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def update_inbound(stock_id, data):
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try:
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stock = StockBuy.query.get(stock_id)
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if not stock: raise ValueError("记录不存在")
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BuyInboundService._check_unique(base_id=data.get('base_id', stock.base_id),
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serial_number=data.get('serial_number', stock.serial_number),
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batch_number=data.get('batch_number', stock.batch_number),
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exclude_id=stock_id)
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field_mapping = {'sku': 'sku', 'barcode': 'barcode', 'base_id': 'base_id',
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'warehouse_location': 'warehouse_location', 'serial_number': 'serial_number',
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'batch_number': 'batch_number', 'status': 'status',
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'inspection_status': 'inspection_status', 'supplier_name': 'supplier_name',
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'detail_link': 'detail_link', 'currency': 'currency', 'exchange_rate': 'exchange_rate',
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'purchaser': 'buyer_name', 'purchaser_email': 'buyer_email',
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'source_link': 'original_link'}
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for k, v in field_mapping.items():
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if k in data: setattr(stock, v, data[k])
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if 'arrival_photo' in data: stock.arrival_photo = json.dumps(data['arrival_photo'])
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if 'inspection_report' in data: stock.inspection_report = json.dumps(data['inspection_report'])
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if 'in_quantity' in data:
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diff = float(data['in_quantity']) - float(stock.in_quantity)
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if diff != 0:
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stock.in_quantity = float(data['in_quantity'])
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stock.stock_quantity = float(stock.stock_quantity) + diff
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stock.available_quantity = float(stock.available_quantity) + diff
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if 'unit_price' in data: stock.unit_price = float(data['unit_price'])
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stock.total_price = float(stock.in_quantity) * float(stock.unit_price)
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db.session.commit()
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return stock
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except Exception as e:
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db.session.rollback()
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raise e
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# ============================================================
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# 4. 删除
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# ============================================================
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@staticmethod
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def delete_inbound(stock_id):
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try:
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stock = StockBuy.query.get(stock_id)
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if not stock: raise ValueError("记录不存在")
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db.session.delete(stock)
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db.session.commit()
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return True
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except Exception as e:
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db.session.rollback()
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raise e
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# ============================================================
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# 5. 获取列表
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# ============================================================
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@staticmethod
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def get_list(page, limit, keyword=None, statuses=None, category=None, material_type=None):
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try:
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query = db.session.query(StockBuy).outerjoin(MaterialBase, StockBuy.base_id == MaterialBase.id)
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# 1. 通用关键词搜索
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if keyword:
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k_str = f'%{keyword.strip()}%'
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conditions = [
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StockBuy.sku.ilike(k_str),
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StockBuy.barcode.ilike(k_str),
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StockBuy.batch_number.ilike(k_str),
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StockBuy.serial_number.ilike(k_str),
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StockBuy.supplier_name.ilike(k_str),
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StockBuy.buyer_name.ilike(k_str),
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MaterialBase.name.ilike(k_str), # 名称
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MaterialBase.spec_model.ilike(k_str), # 规格
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]
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query = query.filter(or_(*conditions))
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# 2. 类别独立搜索
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if category and category.strip():
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query = query.filter(MaterialBase.category == category.strip()) # 下拉框通常是精确匹配
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# 3. 类型独立搜索
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if material_type and material_type.strip():
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query = query.filter(MaterialBase.material_type == material_type.strip()) # 精确匹配
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# 4. 状态筛选
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if not statuses: statuses = ['在库', '借库']
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if '已出库' in statuses:
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query = query.filter(StockBuy.status.in_(statuses))
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else:
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query = query.filter(and_(StockBuy.status.in_(statuses), StockBuy.stock_quantity > 0))
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pagination = query.order_by(StockBuy.in_date.desc()).paginate(page=page, per_page=limit, error_out=False)
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items = []
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for item in pagination.items:
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items.append({
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'id': item.id, 'base_id': item.base_id, 'material_name': item.base.name if item.base else '',
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'spec_model': item.base.spec_model if item.base else '',
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'category': item.base.category if item.base else '', 'unit': item.base.unit if item.base else '',
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'material_type': item.base.material_type if item.base else '', 'sku': item.sku,
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'inbound_date': str(item.in_date)[:10] if item.in_date else '', 'barcode': item.barcode,
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'serial_number': item.serial_number, 'batch_number': item.batch_number, 'status': item.status,
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'inspection_status': item.inspection_status, 'qty_inbound': float(item.in_quantity or 0),
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'qty_stock': float(item.stock_quantity or 0), 'qty_available': float(item.available_quantity or 0),
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'warehouse_loc': item.warehouse_location, 'unit_price': float(item.unit_price or 0),
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'total_price': float(item.total_price or 0), 'currency': item.currency,
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'exchange_rate': float(item.exchange_rate or 1), 'supplier_name': item.supplier_name,
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'purchaser': item.buyer_name, 'purchaser_email': item.buyer_email,
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'source_link': item.original_link, 'detail_link': item.detail_link,
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'arrival_photo': json.loads(item.arrival_photo) if item.arrival_photo else [],
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'inspection_report': json.loads(item.inspection_report) if item.inspection_report else [],
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'global_print_id': item.global_print_id
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})
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return {"total": pagination.total, "items": items}
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except Exception:
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traceback.print_exc()
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return {"total": 0, "items": []}
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# ============================================================
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# 6. [新增] 获取筛选选项（类别、类型）
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# ============================================================
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@staticmethod
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def get_filter_options():
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try:
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# 获取所有非空的类别
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categories = db.session.query(MaterialBase.category) \
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.filter(MaterialBase.category != None, MaterialBase.category != '') \
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.distinct().all()
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# 获取所有非空的类型
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types = db.session.query(MaterialBase.material_type) \
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.filter(MaterialBase.material_type != None, MaterialBase.material_type != '') \
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.distinct().all()
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return {
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"categories": [r[0] for r in categories],
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"types": [r[0] for r in types]
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}
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except Exception:
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traceback.print_exc()
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return {"categories": [], "types": []}
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# 7-10 建议类接口保持不变
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@staticmethod
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def get_history_suppliers(base_id):
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return [r[0] for r in db.session.query(StockBuy.supplier_name).filter(StockBuy.base_id == base_id,
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StockBuy.supplier_name != '').distinct().all()]
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@staticmethod
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def get_history_purchasers(keyword):
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return [{'value': r.buyer_name, 'email': r.buyer_email} for r in
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db.session.query(StockBuy.buyer_name, StockBuy.buyer_email).filter(
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StockBuy.buyer_name != '').distinct().all()]
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@staticmethod
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def get_history_links(base_id, type):
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return [r[0] for r in
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db.session.query(StockBuy.original_link if type == 'original' else StockBuy.detail_link).filter(
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StockBuy.base_id == base_id).distinct().all()]
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@staticmethod
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def get_history_locations(base_id):
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return [r[0] for r in
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db.session.query(StockBuy.warehouse_location).filter(StockBuy.base_id == base_id).distinct().all()] |